Answer
$x=3$
Work Step by Step
$\log_{3}(x+15)-\log_{3}(x-1)=2$
$\log_{3}\frac{x+15}{x-1}=2$
$3^2=\frac{x+15}{x-1}$
$\frac{x+15}{x-1}=9$
$x+15=9(x-1)$
$x+15=9x-9$
$8x=24$
$x=3$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 4, Exponential and Logarithmic Functions - Section 4.5 - Exponential and Logarithmic Functions - 4.5 Exercises - Page 404: 68
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
